[Tex2002ans]

Originally Posted by rhymedawg

Finally, I was able to get an earlier version of a mobi file created with Calibre to upload to KDP—it's online right now (uploaded last week). So, it does work, its just not working now.

As Doitsu mentioned, this workflow is going to potentially bring serious issues.

The only official Amazon-approved tools are:

• Kindle Previewer (GUI tool)
• or KindleGen (Commandline tool)

You then upload those specially-crafted MOBIs through KDP to Amazon.

Calibre-generateed MOBI/AZW3 files should only be used for personal consumption (or if you wanted to host files on your personal site for others to easily sideload). Uploading these to Amazon/KDP is just asking for trouble (see years of topics complaining about this).

Originally Posted by rhymedawg

Also, I used Calibre because it changes behavior of footnotes. It has a setting to insert a page for each individual footnote [...].

I absolutely abhor this setting, and have no idea why it's default for DOCX Input.

In Calibre, under Covert > DOCX Input, the setting is Do not add a page after every endnote. It is default OFF, but I always put ON.

Heavily bloats the EPUB by splitting it into millions of individual HTML files. And makes paging through the footnotes a nightmare.

Originally Posted by rhymedawg

If anybody knows how to do this in Word, I'm all ears. It's important to my project—I do not want all the footnotes at document end.

Typical ebook standard is:

• Have Footnotes at the end/bottom of each chapter.
  
  • Advantage is each chapter is easily portable (ex. copy/paste a chapter to your site).
    
  • No extra load times (especially important on older devices).
• Endnotes chapter at the end of the book.
  
  • Advantage is it's "out of the way".

For more thorough explanations of pros/cons + code samples, see this 2013 topic: "A link to jump back to the original start point?"

Originally Posted by rhymedawg

My writing environment is Google Docs, which outputs files in docx format. So, the signal path is a lot simpler. Google Docs to Calibre to KDP.

Google Docs also exports as EPUB directly. But if you didn't use Styles, be prepared for a nightmare of spaghetti HTML/CSS.

If you're using Microsoft Word, then I would highly recommend using Toxaris's EPUB Tools. It is one of the best ways to export a super clean EPUBs out of DOCXs.